Dental instrument



FIG. 1 illustrates a front view of the dental instrument, showing a first embodiment of our new and ornamental design;

FIG. 2 illustrates a side view thereof;

FIG. 3 illustrates a back view thereof;

FIG. 4 illustrates an alternate side view thereof;

FIG. 5 illustrates an enlarged bottom view thereof;

FIG. 6 illustrates an enlarged top view thereof;

FIG. 7 illustrates a perspective view thereof;

FIG. 8 illustrates a front view of the dental instrument, showing a second embodiment of our new and ornamental design;

FIG. 9 illustrates a side view thereof;

FIG. 10 illustrates a back view thereof;

FIG. 11 illustrates an alternate side view thereof;

FIG. 12 illustrates an enlarged bottom view thereof;

FIG. 13 illustrates an enlarged top view thereof;

FIG. 14 illustrates a perspective view thereof;

FIG. 15 illustrates a front view of the dental instrument, showing a third embodiment of our new and ornamental design;

FIG. 16 illustrates a side view thereof;

FIG. 17 illustrates a back view thereof;

FIG. 18 illustrates an alternate side view thereof;

FIG. 19 illustrates an enlarged bottom view thereof;

FIG. 20 illustrates an enlarged top view thereof; and,

FIG. 21 illustrates a perspective view thereof.

The portions of the dental instrument shown in broken lines in the figures attached hereto form no part of the claimed design. 

CLAIM The ornamental design for a dental instrument, as shown and described. 